ISO standards download ISO 48-4:2018 pdf download – Rubber, vulcanized or thermoplastic — Determination of hardness — Part 4: Indentation hardness by durometer method (Shore hardness) ISO 48-4:2018 pdf download - Rubber, vulcanized or thermoplastic — Determination of hardness — Part 4: Indentation hardness by durometer method (Shore hardness). 4 Principle An indentor of specified dimensions is pressed into a test piece under... 02-19 Download Now